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Kasumi Knife Collection — Japan

Sakai, Osaka · Master Bladesmiths 霞包丁
The Kasumi Collection
The Art of the Mist Blade
鍛冶
Centuries of Japanese bladesmith heritage — forged in every knife we make.
Our Heritage
Heritage

Kasumi (霞) — meaning "morning mist" — is a blade construction technique born from centuries of Japanese craftsmanship. Originating in Sakai, Osaka, a city renowned as Japan's knife-making capital since the 5th century, Kasumi knives unite a hard steel cutting core with a softer iron body, producing blades of unmatched sharpness, beauty, and longevity. Each knife carries the spirit of the shokunin — the Japanese artisan who devotes a lifetime to the single pursuit of perfection.

Through the Centuries
5th C.
Sakai Forges Begin

Sakai smiths begin supplying imperial tools, establishing Japan's greatest blade-making lineage.

江戸
Kasumi Refined

The Edo period perfects the laminated iron-and-steel construction still practised today.

今日
Living Tradition

Master bladesmiths carry ancient methods forward — every knife individually forged by hand.

The Kasumi Method · 霞鍛造
Hagane & Jigane — Two Metals, One Blade

The Kasumi technique bonds a hard steel cutting core (鋼 hagane) to a soft iron body (地金 jigane). The forge-welding process creates the signature hazy finish visible along the blade spine — giving Kasumi its name — while delivering exceptional sharpness and resilience under daily use.

Jigane Top
地金 · Soft Iron
Hagane Core
鋼 · Steel Edge
Jigane Base
地金 · Soft Iron
一生もの · Ichishō-mono
A Blade for Life

Every Kasumi knife is made to be sharpened, cherished, and passed down. No mass production. No shortcuts. Only the enduring craft of the Japanese bladesmith.

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